Color

#53339e

#53339e
hex#53339e
rgbrgb(83, 51, 158)
hslhsl(258, 51%, 41%)
oklchoklch(0.423 0.164 291.6)
Closest name: rebeccapurple (#663399)Relative luminance 0.0668

Colors that go with #53339e

Charcoal, Royal Blue and Sea Green lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7e9e33

#33499e · #89339e

#9e5333 · #339e53

Split-complementary

Open in tool →

#9e8933 · #499e33

#9e3349 · #7e9e33 · #339e89

Contrast

#53339e as textRatioAAAA largeAAAFix
Aaon white
8.99:1passpasspassPasses AAA — no fix needed.
Aaon black
2.34:1failfailfail
  • AA: use #8161cc as the text (4.52:1)
  • AAA: use #a088d8 as the text (7.01:1)
  • AA: or shift the background to #b8b8b8 (4.53:1)
  • AAA: or shift the background to #e3e3e3 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #53339e as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#53339e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #53339e
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #53339e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/53339e-ad9cc4-dfc44e-291f2d-e9ebf1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md